{"product_id":"bmw-s63-high-performance-v8-conical-valve-spring-kit-supertech","title":"BMW S63 High-Performance V8 Conical Valve Spring Kit – Supertech","description":"\u003ch3 data-start=\"101\" data-end=\"170\"\u003e\u003cstrong data-start=\"105\" data-end=\"170\"\u003eBMW S63 High-Performance V8 Conical Valve Spring Kit – Supertech\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"172\" data-end=\"502\"\u003eBuilt for high-RPM and high-boost applications, this Supertech Beehive Valve Spring Kit delivers exceptional strength, stability, and reliability for the BMW S63 engine. Manufactured from \u003cstrong data-start=\"360\" data-end=\"404\"\u003eSuperclean Chrome Silicon Vanadium steel\u003c\/strong\u003e, these springs are designed to handle extreme conditions while maintaining precise valve control.\u003c\/p\u003e\n\u003cul data-start=\"522\" data-end=\"609\"\u003e\n\u003cli data-start=\"578\" data-end=\"609\"\u003e\n\u003cp data-start=\"580\" data-end=\"609\"\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"611\" data-end=\"625\"\u003e\u003cstrong data-start=\"611\" data-end=\"625\"\u003eKey Specs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"626\" data-end=\"777\"\u003e\n\u003cli data-start=\"626\" data-end=\"656\"\u003e\n\u003cp data-start=\"628\" data-end=\"656\"\u003eSeat Pressure: 83 @ 35.7mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"657\" data-end=\"686\"\u003e\n\u003cp data-start=\"659\" data-end=\"686\"\u003eOpen Pressure: 165 @ 10mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"687\" data-end=\"707\"\u003e\n\u003cp data-start=\"689\" data-end=\"707\"\u003eMax Lift: 11.2mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"708\" data-end=\"728\"\u003e\n\u003cp data-start=\"710\" data-end=\"728\"\u003eSpring Rate: 8.2\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"729\" data-end=\"750\"\u003e\n\u003cp data-start=\"731\" data-end=\"750\"\u003eCoil Bind: 23.0mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"751\" data-end=\"777\"\u003e\n\u003cp data-start=\"753\" data-end=\"777\"\u003eRetainer: RET-BMN54-TE\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"779\" data-end=\"880\"\u003ePerfect for high-horsepower street or race builds requiring durability, reliability, and performance.\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":51399909540160,"sku":null,"price":1249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0854\/4757\/3824\/files\/Untitled_58.png?v=1767363291","url":"https:\/\/miamiengines.com\/products\/bmw-s63-high-performance-v8-conical-valve-spring-kit-supertech","provider":"Miami Engines","version":"1.0","type":"link"}